{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "DNA", "cell line", "protein"], "input": "Induction of the POU domain transcription factor Oct-2 during T-cell activation by cognate antigen ."}
{"cell type": ["T-cell"], "DNA": [], "cell line": [], "protein": ["POU domain transcription factor", "transcription factor", "Oct-2"]}